Home wiring step by step

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Autor: Step-By-Step Guide Book Co.

Strana 49 z 50

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.......A safety device which breaks the flow of electricity whenever circuit becomes overloaded. Contains the main disconnect switch for the entire wiring system, well fuses or circuit-breakers.......... www... Fixture ........ Used pull wire through walls, floors and ceilings existing homes. "Hot" Wires ........... Two more wires through which electricity •—.... Type protective box which switch ter- minals are connected the wires............................. Common trade term for electric wires............................... Conductors ..... Fish wire Narrow, springy metal type bent into hook at one both ends....................T......com ... Grounding ........... type outlet which electric cords can \V conveniently plugged in....... Any mounted electrical device such a switch, outlet, ceiling light, etc............ flows out from the source supply one or 1 1 2 more outlets, and then back......EngineeringEBooksPdf....... Short circuit ..............The power-carrying wires (usually black or red) distinguished from the "neutral" wires (usually white)........................ Line.................. improper connection between "hot" "hot" wires between "hot" wire and a "neutral"..M.The connection the electrical system to the earth, precaution necessary prevent damage from lightning and minimize danger from shocks..... Switch box ................ Circuit ........ ........Explanation Standard Electrical Terms Receptacle Outlet Fuse Circuit-Breaker Electric Service Panel .................... ^M<.......... Thin-wall conduit called E......The main panel (or fuse cabinet) through which electricity brought into the building and then distributed various branch cir- cuits......... Identification wires color throughout the system help assure that "hot" wires will connected only "hot" wires and that "neutral" wires run continuous un- interrupted connection back the ground terminal.... Cable comprising supplying circuit. Performs the same functions fuse the "Circuit-Breaker" types service panel.. Color-Coding ....... ..... which stands for Electrical Metal Tubing...... .